Climate Overview
The climate in Yŏnan-ŭp is temperate. The average annual temperature is 12°C and approximately 1065mm of precipitation falls per year. July is the wettest month, receiving around 227mm of rainfall. Yŏnan-ŭp is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -6°C. Light snow can occur between January and December.
Temperature
Temperatures in Yŏnan-ŭp vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.
Precipitation
Yŏnan-ŭp is a moderately rainy area, receiving approximately 1065mm of precipitation annually, which averages out to around 89mm per month. The wettest month is July, averaging 227mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 17mm. That's 209mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 23cm annually. February is the snowiest month with approximately 7cm.
Wind
Yŏnan-ŭp is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12km/h in winter, 12km/h in spring, 10km/h in summer, 11km/h in autumn.
Seasons
7 days until Autumn
It is currently summer in Yŏnan-ŭp, which began on June 21, 2026. Yŏnan-ŭp is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 2 to 21°C. Precipitation is moderate at around 198mm for the season, averaging 66mm per month. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 538mm across the season with a monthly average of 179mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 3 to 26°C. Precipitation is moderate at around 264mm for the season, averaging 88mm per month. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 4°C. Rainfall is relatively light, with around 64mm over the season and a monthly average of 21mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Yŏnan-ŭp based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.